CECILIA N. DAVIS LCPC
NPI 1508134206
Counselor - Professional in Naperville, IL

NPI Status: Active since December 08, 2011

Contact Information

900 E DIEHL RD
NAPERVILLE, IL
ZIP 60563
Phone: (630) 219-0103

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  • Individual
  • Female
  • Counselor
  • Professional
  • PECOS Enrolled

About CECILIA DAVIS

This page provides the complete NPI Profile along with additional information for Cecilia Davis, a provider established in Naperville, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1508134206 assigned on December 2011. The practitioner's primary taxonomy code is 101YP2500X with license number 180011528 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1508134206
Provider Name
CECILIA N. DAVIS LCPC
Gender
Female
Entity Type
Individual
Location Address
900 E DIEHL RD NAPERVILLE, IL 60563
Location Phone
(630) 219-0103
Mailing Address
900 E DIEHL RD NAPERVILLE, IL 60563
Is Sole Proprietor?
No
Enumeration Date
12-08-2011
Last Update Date
07-15-2025
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Location Map

Secondary Locations

  • 2948 Artesian Rd Ste 112
    Naperville, IL 60564
    (630) 428-7890

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
180011528
License State
IL

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

180011528 (IL)

Medicare Participation & PECOS Enrollment Status

Cecilia Davis is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1508134206, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
0
Doubled → 0
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 1 → 2 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 0 + 8 + 2 + 3 + 8 + 2 + 0 + 24 = 54

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1508134206.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
900 E DIEHL RD
NAPERVILLE, IL 60563
Marriage & Family Therapist
900 E DIEHL RD
NAPERVILLE, IL 60563
Counselor (Professional)
900 E DIEHL RD
NAPERVILLE, IL 60563
Marriage & Family Therapist
900 E DIEHL RD
NAPERVILLE, IL 60563
Counselor (Professional)
900 E DIEHL RD
NAPERVILLE, IL 60563
Counselor (Mental Health)
900 E DIEHL RD
NAPERVILLE, IL 60563

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508134206, enumerated as an "individual" on December 08, 2011.

The provider is located at 900 E DIEHL RD NAPERVILLE, IL 60563 and the phone number is (630) 219-0103.

Counselor with taxonomy code 101YP2500X and a focus in Professional.